code: def _config_src(opdef):
      if opdef.flags_dest and opdef.flags_dest.startswith("config:"):
          return opdef.flags_dest[7:]
      return None
  
imports: import logging
  import os
  from guild import guildfile
  from guild import op_util
  from guild import plugin
  from guild import util
  from .None import flags_import_util
label_desc: Use image node_id 2 for calling a global function with example usage: _config_src(opdef) and returns: None, opdef